<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
    <head>
        <title>CSS Test: Containing Blocks - Block-level elements position based on left-to-right direction and parent element is relative</title>
        <link rel="author" title="Microsoft" href="http://www.microsoft.com/" />
        <link rel="author" title="Alan Gresley" href="alan{at}css-class.com" />
        <link rel="author" title="Elika J. Etemad" href="http://fantasai.inkedblade.net/contact"/>
        <link rel="help" href="http://www.w3.org/TR/CSS21/visudet.html#containing-block-details" />
        <meta name="flags" content="dom interact" />
        <meta name="assert" content="The containing block of an absolutely positioned block-level element is formed by the padding edge of its nearest (closest) positioned ancestor element." />
        <style type="text/css">* { margin: 0; padding: 0 }
            div
            {
                border: solid silver;
                direction: ltr;
                margin-bottom: 20px;
                padding: 100px;
                width: 450px;
            }
            #first-box, #last-box
            {
                color: silver;
            }
            .position
            {
                height: 30px;
                position: absolute;
                width: 30px;
            }
            #tl-control
            {
                border-top: 30px solid red;
                margin-left: -50px;
                margin-right: 20px;
                padding: 20px 15px;
            }
            #br-control
            {
                border-bottom: 30px solid red;
                margin-left: 20px;
                margin-right: -50px;
                padding: 20px 15px;
            }
            .top-left
            {
                background: green;
                left: 0;
                top: 0;
            }
            .bottom-right
            {
                background: green;
                bottom: 0;
                right: 0;
            }
            #test
            {
                border: 5px solid silver;
                padding: 50px;
                position: relative;
            }
        </style>
    </head>
    <body>
        <p>Test passes if there is no red visible on the page.</p>
        <div>
            <span id="test">
                <span id="first-box"><span id="tl-control"></span>Filler Text Filler Text Filler Text Filler Text</span>
                <span class="position bottom-right">BR</span>
                <span class="position top-left">TL</span>
                <span id="last-box">Filler Text Filler Text Filler Text Filler Text<span id="br-control"></span></span>
            </span>
        </div>
    </body>
</html>